Discussion
What is a path profile?
Answer: D
A profile plots ground height against distance, with the earth curvature for the design k factor included, so the ray and its Fresnel ellipsoid can be drawn on it and clearances read. Digital terrain data has largely replaced manual surveying for the purpose. Signal records, antenna patterns and conductivity maps are separate documents. Drawing the geometry before computing anything is the first step in every fixed link design, and it settles most questions immediately.
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